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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=606817
-->
<head>
  <title>Test for Bug 606817</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=606817">Mozilla Bug 606817</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 606817 **/

var messageMaxLength = 256;

function checkMessage(aInput, aMsg, aWithTerminalPeriod)
{
  ok(aInput.validationMessage != aMsg,
     "Original content-defined message should have been truncate");
  is(aInput.validationMessage.length - aInput.validationMessage.indexOf("_42_"),
     aWithTerminalPeriod ? messageMaxLength+1 : messageMaxLength,
     "validation message should be 256 characters length");
}

var input = document.createElement("input");

var msg = "";
for (var i=0; i<75; ++i) {
  msg += "_42_";
}
// msg is now 300 chars long

// Testing with setCustomValidity().
input.setCustomValidity(msg);
checkMessage(input, msg, false);

// The input is still invalid but x-moz-errormessage will be used as the message.
input.setAttribute("x-moz-errormessage", msg);
checkMessage(input, msg, false);

// Cleaning.
input.setCustomValidity("");
input.removeAttribute("x-moz-errormessage");

// Testing with pattern and titl.
input.pattern = "[0-9]*";
input.value = "foo";
input.title = msg;
checkMessage(input, msg, true);

// Cleaning.
input.removeAttribute("pattern");
input.removeAttribute("title");
input.value = "";

</script>
</pre>
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